tyrannosaurid
noun
ty·ran·no·sau·rid
tə-ˌra-nə-ˈsȯr-əd 
(ˌ)tī-
: any of a family (Tyrannosauridae) of large bipedal carnivorous theropod dinosaurs of the Late Cretaceous in North America and central and eastern Asia having forelegs reduced in size and including the tyrannosaur
Examples of tyrannosaurid in a Sentence
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Sea level changes during the late Cretaceous enabled dinosaurs like tyrannosaurids, ceratopsids, hadrosaurids and pachycephalosaurids to evolve as their habitats were transformed due to regressive and transgressive cycles of the Western Interior Seaway.
—
Michelle Del Rey, USA Today, 27 Oct. 2025
Evidence of 30-foot ancient sea monster found in Mississippi
The fossils were determined to belong to a new tyrannosaurid species after reexamination by the researchers, according to paper published Wednesday in Nature.
—Julia Jacobo, ABC News, 11 June 2025
Mathematical models showed that the size of tyrannosaurids such as T. rex rapidly increased as global temperatures dropped.
—Ashley Strickland, CNN Money, 11 May 2025
Gorgosaurus is a tyrannosaurid belonging to the same wider group as T. rex that lived during the Late Cretaceous period.
—Paul Du Quenoy, Newsweek, 9 Dec. 2024
And studying its relationship with other tyrannosaurids – like Alioramus, Daspletosaurus, and Teratophoneus – helps scientists understand the diversity and evolutionary history of this group.
—Jake Parks, Discover Magazine, 20 Dec. 2023
Known as Teratophoneus curriei, this massive fossil cast depicts a tyrannosaurid that was first discovered in Utah just a few years ago.
—Jared Ranahan, Forbes, 22 Mar. 2023
Mouthwear in crickets was compared with that of tyrannosaurids.
—Lisa Wells, Harper’s Magazine , 13 Mar. 2023
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Michelle Del Rey, USA Today, 27 Oct. 2025
Evidence of 30-foot ancient sea monster found in Mississippi
The fossils were determined to belong to a new tyrannosaurid species after reexamination by the researchers, according to paper published Wednesday in Nature.
—Julia Jacobo, ABC News, 11 June 2025
Mathematical models showed that the size of tyrannosaurids such as T. rex rapidly increased as global temperatures dropped.
—Ashley Strickland, CNN Money, 11 May 2025
Gorgosaurus is a tyrannosaurid belonging to the same wider group as T. rex that lived during the Late Cretaceous period.
—Paul Du Quenoy, Newsweek, 9 Dec. 2024
And studying its relationship with other tyrannosaurids – like Alioramus, Daspletosaurus, and Teratophoneus – helps scientists understand the diversity and evolutionary history of this group.
—Jake Parks, Discover Magazine, 20 Dec. 2023
Known as Teratophoneus curriei, this massive fossil cast depicts a tyrannosaurid that was first discovered in Utah just a few years ago.
—Jared Ranahan, Forbes, 22 Mar. 2023
Mouthwear in crickets was compared with that of tyrannosaurids.
—Lisa Wells, Harper’s Magazine , 13 Mar. 2023
Cite this Entry
“Tyrannosaurid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tyrannosaurid. Accessed 4 Nov. 2025.
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